CVE-2021-3638

NameCVE-2021-3638
Descriptionati-vga: inconsistent check in ati_2d_blt() may lead to out-of-bounds write
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub code/issues, web search, more)

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
qemu (PTS)stretch1:2.8+dfsg-6+deb9u9fixed
stretch (security)1:2.8+dfsg-6+deb9u14fixed
buster, buster (security)1:3.1+dfsg-8+deb10u8fixed
bullseye, sid1:5.2+dfsg-11vulnerable

The information below is based on the following data on fixed versions.

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
qemusourcestretch(not affected)
qemusourcebuster(not affected)
qemusource(unstable)(unfixed)

Notes

[bullseye] - qemu <no-dsa> (Minor issue)
[buster] - qemu <not-affected> (Vulnerable code introduced in ATI VGA device emulation added later)
[stretch] - qemu <not-affected> (Vulnerable code introduced in ATI VGA device emulation added later)
https://bugzilla.redhat.com/show_bug.cgi?id=1979858

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